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2893 Commits

Author SHA1 Message Date
Stefan Karlsson
3c2f3a321a 8003720: NPG: Method in interpreter stack frame can be deallocated 
Pass down a closure during root scanning to keep the class of the method alive.

Reviewed-by: coleenp, jcoomes
 2012-11-27 10:13:20 +01:00
David Chase
fea11c53eb 7146636: compiler/6865265/StackOverflowBug.java fails due to changed stack minimum 
Increase the stack size in the run parameters.

Reviewed-by: kvn
 2012-11-16 15:49:46 -08:00
Vladimir Kozlov
1ebf7b9116 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity 
Added missed type check of initializing store in ConnectionGraph::find_init_values().

Reviewed-by: roland, twisti, vlivanov
 2012-11-06 15:16:32 -08:00
Lana Steuck
da89e5624c Merge 2012-10-30 13:56:59 -07:00
Vladimir Kozlov
b8abfa016c Merge 2012-10-26 12:06:55 -07:00
Lana Steuck
69720b975c Merge 2012-10-25 20:07:39 -07:00
Tom Deneau
6d94ef1ee7 7184394: add intrinsics to use AES instructions 
Use new x86 AES instructions for AESCrypt.

Reviewed-by: twisti, kvn, roland
 2012-10-24 14:33:22 -07:00
Vladimir Kozlov
a9c2b6a900 8001183: incorrect results of char vectors right shift operaiton 
Do vector right shift operation for small int types only after loads

Reviewed-by: jrose, dlong
 2012-10-23 13:06:37 -07:00
Vladimir Ivanov
7f87237400 8000805: JMM issue: short loads are non-atomic 
Perform transforms during IGVN phase when Load has a single user.

Reviewed-by: jrose, kvn, twisti
 2012-10-22 11:44:30 -07:00
Abhijit Saha
19fc2d4d88 Merge 2012-10-18 21:58:55 -07:00
Abhijit Saha
402fd01231 Merge 2012-10-11 15:29:16 -07:00
Abhijit Saha
2f3ac59e81 Merge 2012-10-10 14:28:08 -07:00
Mikael Vidstedt
769dd50182 7197424: update copyright year to match last edit in jdk8 hotspot repository 
Update copyright year to 2012 for relevant files

Reviewed-by: dholmes, coleenp
 2012-10-09 10:09:34 -07:00
Mark Wielaard
ec0a9ee8a6 8000622: Forgot to hg add and check in test for JDK-7170638 
Add the test

Reviewed-by: coleenp, kamg
 2012-10-09 02:42:16 -04:00
Rickard Bäckman
25e07fb041 Merge 2012-10-09 07:41:27 +02:00
David Holmes
363fac131c 7199186: runtime/7194254/Test7194254.java fails - wrong test name on @run 
Reviewed-by: kvn, twisti
 2012-10-04 19:52:09 -04:00
Vladimir Kozlov
8d8d00ff00 7199742: A lot of C2 OSR compilations of the same method's bci 
Don't clone head of OSR loop.

Reviewed-by: jrose, twisti
 2012-10-02 14:49:21 -07:00
Vladimir Kozlov
e8332c76e9 7201026: add vector for shift count 
Add generation of vectors for scalar shift count.

Reviewed-by: roland, twisti, dlong
 2012-10-02 12:25:13 -07:00
Kevin Walls
80d5f4b66d 7200145: runtime/7196045/Test7196045.java fails with No class provided for `main' 
Reviewed-by: dholmes, dsamersoff
 2012-09-30 23:24:12 +01:00
Vladimir Kozlov
fbd1f6e3be Merge 2012-09-28 10:16:29 -07:00
Abhijit Saha
989c8e0201 7199488: [TEST] runtime/7158800/InternTest.java failed due to false-positive on PID match 
Reviewed-by: coleenp
 2012-09-26 09:54:11 -07:00
Vladimir Kozlov
973fdc81a1 7200264: 7192963 changes disabled shift vectors 
Replaced is_vector_use() call with explicit check for vector shift's count.

Reviewed-by: twisti, roland, dlong, vlivanov
 2012-09-25 15:48:17 -07:00
Kevin Walls
1c502686ea 7196045: Possible JVM deadlock in ThreadTimesClosure when using HotspotInternal non-public API 
Reviewed-by: sspitsyn, dholmes
 2012-09-19 15:24:32 +01:00
Dmytro Sheyko
48255b9ff3 7194254: jstack reports wrong thread priorities 
Reviewed-by: dholmes, sla, fparain
 2012-09-17 07:36:31 -04:00
Abhijit Saha
38b305878c Merge 2012-09-07 18:18:55 -07:00
Jon Masamitsu
5c58d27aac 6964458: Reimplement class meta-data storage to use native memory 
Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
 2012-09-01 13:25:18 -04:00
Pavel Punegov
373b8ccd27 7191926: Remove MKS dependency in Hotspot regression tests 
Add case for CYGWIN in .sh files.

Reviewed-by: coleenp, kvn
 2012-08-29 14:49:05 -04:00
Kevin Walls
b296b69382 7195151: Multiplatform tescase for 6929067 
Reviewed-by: kamg, kvn
 2012-10-15 16:48:48 +01:00
Christian Thalinger
2509329d59 Merge 2012-08-24 11:48:32 -07:00
Vladimir Kozlov
cbfca3259c 7192963: assert(_in[req-1] == this) failed: Must pass arg count to 'new' 
Fixed Pack node generation. Not vectorize shift instructions if count is not the same for all shifts and if count is vector.

Reviewed-by: twisti
 2012-08-22 11:55:40 -07:00
Vladimir Kozlov
04c6a7ce10 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops 
In C2 add software membar after load from Reference.referent field to prevent commoning of loads across safepoint since GC can change its value. In C1 always generate Reference.get() intrinsic.

Reviewed-by: roland, twisti, dholmes, johnc
 2012-08-20 09:58:58 -07:00
Vladimir Kozlov
e3c3c8527e 6340864: Implement vectorization optimizations in hotspot-server 
Added asm encoding and mach nodes for vector arithmetic instructions on x86.

Reviewed-by: roland
 2012-08-20 09:07:21 -07:00
Keith McGuigan
dbe25e46f3 7116786: RFE: Detailed information on VerifyErrors 
Provide additional detail in VerifyError messages

Reviewed-by: sspitsyn, acorn
 2012-08-06 15:54:45 -04:00
Abhijit Saha
4c3a0cd840 Merge 2012-08-02 14:29:12 -07:00
Coleen Phillimore
d52b3a7eb7 7129723: MAC: Some regression tests need to recognize Mac OS X platform 
Add Darwin like Linux to shell scripts

Reviewed-by: kvn, kamg, dholmes
 2012-08-01 16:52:43 -04:00
Abhijit Saha
5a456b0991 7185550: TEST: runtime/7020373/Test7020373.sh fails because there is no test/runtime/7020373/testcase.jar 
Reviewed-by: coleenp
 2012-07-23 14:28:38 -07:00
Abhijit Saha
bba3260a52 7053586: TEST: runtime/7020373/Test7020373.sh fails on 64-bit platforms 
Reviewed-by: kamg
 2012-07-17 22:16:17 -07:00
Frederic Parain
c0a96ff2a4 7183754: Test runtime/6294277/Test6294277.sh runs wrong JVM 
Reviewed-by: kamg, coleenp, ctornqvi
 2012-07-16 04:06:44 -07:00
Vladimir Kozlov
59bb4ea7cc Merge 2012-07-12 14:19:15 -07:00
Frederic Parain
13c689d9c3 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K 
Reviewed-by: sspitsyn, dholmes, coleenp, kamg
 2012-07-09 01:28:37 -07:00
Roland Westrelin
3511594d3c 7177917: Failed test java/lang/Math/PowTests.java 
When c2 intrinsifies pow/exp, it should never inline the java implementations.

Reviewed-by: kvn
 2012-07-02 09:58:06 +02:00
Alejandro Murillo
fad2bafa7b Merge 2012-06-29 17:04:39 -07:00
Vladimir Kozlov
3a84f5407b Merge 2012-06-28 10:35:28 -07:00
Staffan Larsen
39dfe6d047 7178703: Fix handling of quoted arguments and better error messages in dcmd 
Reviewed-by: coleenp, mgronlun, rbackman
 2012-06-28 11:37:28 +02:00
Lana Steuck
b126348850 Merge 2012-06-26 10:27:11 -07:00
Vladimir Kozlov
8c4cefaa96 7179138: Incorrect result with String concatenation optimization 
Check for and skip diamond shaped NULL check code for the result of toString()

Reviewed-by: twisti, roland
 2012-06-26 09:06:16 -07:00
Staffan Larsen
cafacdf6dc Merge 2012-06-18 11:33:17 +02:00
Roland Westrelin
118f552a6e 7174363: Arrays.copyOfRange leads to VM crash with -Xcomp -server if executed by testing framework 
Arrays.copyOfRange(original, from, to) with from > original.length tries to do a copy with a negative length.

Reviewed-by: kvn, twisti
 2012-06-18 09:52:31 +02:00
Coleen Phillimore
90c19a9907 7177307: fix fo CR7158800 doesn't contain Test7158800.sh 
Forgot to hg add it

Reviewed-by: pbk, kamg, dlong, kvn, fparain
 2012-06-15 07:51:37 -04:00
Vladimir Kozlov
d1191bb4f4 7119644: Increase superword's vector size up to 256 bits 
Increase vector size up to 256-bits for YMM AVX registers on x86.

Reviewed-by: never, twisti, roland
 2012-06-15 01:25:19 -07:00
Coleen Phillimore
55b09e7016 7158800: Improve storage of symbol tables 
Use an alternate version of hashing algorithm for symbol string tables and after a certain bucket size to improve performance

Reviewed-by: pbk, kamg, dlong, kvn, fparain
 2012-06-13 19:52:59 -04:00
Vlaidmir Ivanov
e67db1b150 7169782: C2: SIGSEGV in LShiftLNode::Ideal(PhaseGVN*, bool) 
Keep intermediate node alive till the end of the graph construction using dummy hook node trick

Reviewed-by: kvn, twisti
 2012-06-12 09:47:23 -07:00
Keith McGuigan
c39971d4f1 7158804: Improve config file parsing 
Check buffer length when reading

Reviewed-by: dholmes, dcubed
 2012-06-08 12:49:12 -04:00
Abhijit Saha
aacc740523 Merge 2012-06-07 12:30:02 -07:00
John Coomes
ec1fb16e34 Merge 2012-06-01 10:29:02 -07:00
Zhengyu Gu
4118514eaa Merge 2012-05-22 20:29:05 -04:00
Abhijit Saha
1c1f4add53 Merge 2012-05-21 14:56:33 -07:00
Matherey Nunez
818597ae4f 7168848: Add test to check that humongous object allocation path also checks the heap occupancy 
Added test that checks humongous object allocation path also check the heap occupancy and initiate a marking cycle when / if needed.

Reviewed-by: brutisso, jwilhelm
 2012-05-21 14:59:59 +02:00
John Coomes
8fe245a2ba Merge 2012-05-11 06:37:47 -07:00
Zhengyu Gu
eefa9c27a1 Merge 2012-05-12 06:50:41 -04:00
Kevin Walls
8b44324ec4 7157734: hotspot test scripts not testing 64-bit JVM under JPRT/JTREG 
Reviewed-by: kvn
 2012-05-11 17:24:32 +01:00
Bengt Rutisson
831d61ffee 7167069: 6 VM flags crash the VM when queried via jinfo 
Added missing double format to Flag::print_as_flag()

Reviewed-by: dholmes, stefank, coleenp
 2012-05-10 14:16:34 +02:00
Vladimir Kozlov
65e294a51d Merge 2012-05-09 10:54:29 -07:00
Vladimir Kozlov
7ecd34e368 7167266: missing copyright notes in 3rd party code 
Add missing copyright notes to the regression test file.

Reviewed-by: twisti, johnc
 2012-05-08 15:47:04 -07:00
Abhijit Saha
8a9a73c5fd Merge 2012-05-08 11:29:21 -07:00
Abhijit Saha
e2a63403d0 Merge 2012-05-08 07:29:27 -07:00
Vladimir Kozlov
904f53db88 7160610: Unknown Native Code compilation issue 
When constructing input vector use type of vector's operation which use it since element's sizes should match.

Reviewed-by: never, twisti
 2012-05-07 12:37:46 -07:00
Keith McGuigan
ff66fcc442 7160757: Problem with hotspot/runtime_classfile 
Allow only current and super invokespecials of <init>

Reviewed-by: never, coleenp, dcubed
 2012-05-03 15:37:46 -04:00
Kevin Walls
7e36bafdcd 7162488: VM not printing unknown -XX options 
Reviewed-by: dholmes, kamg
 2012-04-20 14:55:45 +01:00
Abhijit Saha
20a3f240cd Merge 2012-04-10 10:42:34 -07:00
Karen Kinnear
69a42aedf9 Merge 2012-04-01 17:04:26 -04:00
Keith McGuigan
fbcf78297f 7110720: Issue with vm config file loadingIssue with vm config file loading 
Disabling default config files if -XX:-ReadDefaultConfigFiles

Reviewed-by: phh, jrose, dcubed, dholmes
 2012-03-29 18:55:32 -04:00
Vladimir Kozlov
811c047ec1 7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect 
Save whole XMM/YMM registers in safepoint interrupt handler.

Reviewed-by: roland, twisti
 2012-09-17 19:39:07 -07:00
Nils Loodin
2c07f4154e 7148488: Whitebox tests for the Diagnostic Framework Parser 
Reviewed-by: brutisso, sla, mgerdin
 2012-03-15 13:37:13 +01:00
Mikael Gerdin
07299b0a1e 7152791: wbapi tests fail on cygwin 
Detect cygwin prescence when setting up PLATFORM. Translate cygwin style paths before passing them on to jtreg.

Reviewed-by: jcoomes, brutisso
 2012-03-21 08:34:23 +01:00
Coleen Phillimore
7359b90813 7160467: Fix test for 7158988 
Ended up checking in FieldMonitor.java as TestPostFieldModification.java

Reviewed-by: kamg
 2012-04-12 22:03:05 -04:00
Axel Siebenborn
beaeca558b 7158988: jvm crashes while debugging on x86_32 and x86_64 
Object pointer is pushed more than once on stack, where GC doesn't expect it.

Reviewed-by: coleenp, kvn
 2012-04-05 12:17:52 -04:00
Mikael Gerdin
27c0786c3b 7148152: Add whitebox testing API to HotSpot 
Add an internal testing API to HotSpot to enable more targeted testing of vm functionality

Reviewed-by: phh, dholmes
 2012-02-23 14:58:35 +01:00
Volker Simonis
b9fbc2faab 7141637: JSR 292: MH spread invoker crashes with NULL argument on x86_32 
Reviewed-by: twisti
 2012-02-02 09:14:38 -08:00
Roland Westrelin
a59952f4c9 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code 
Too optimistic inlining decision confuses local value numbering.

Reviewed-by: never
 2012-02-01 10:36:58 +01:00
Vladimir Kozlov
791afc42da 7128352: assert(obj_node == obj) failed 
Compare uncasted object nodes.

Reviewed-by: never
 2012-01-10 18:05:38 -08:00
Vladimir Kozlov
b93ca70b9b Merge 2012-01-06 20:09:20 -08:00
Vladimir Kozlov
05ec1c0816 7125879: assert(proj != NULL) failed: must be found 
Leave i_o attached to slow allocation call when there are no i_o users after the call.

Reviewed-by: iveresov, twisti
 2011-12-30 11:43:06 -08:00
Roland Westrelin
c10042bc68 7123108: C1: assert(if_state != NULL) failed: states do not match up 
In CEE, ensure if and common successor state are at the same inline level

Reviewed-by: never
 2011-12-22 10:55:53 +01:00
Bertrand Delsart
82a0e26723 7116216: StackOverflow GC crash 
GC crash for explicit stack overflow checks after a C2I transition.

Co-authored-by: Yang Wang <yang02.wang@sap.com>
Reviewed-by: coleenp, never
 2011-12-20 12:33:05 +01:00
Vladimir Kozlov
98ac731a94 Merge 2011-12-08 10:27:33 -08:00
Antonios Printezis
4964702bad Merge 2011-11-17 13:14:49 -05:00
Vladimir Kozlov
b354aa367c 7106907: 64 bit VM fails test compiler/6865265/StackOverflowBug.java 
Use -Xss224k instead of -Xss128k.

Reviewed-by: never
 2011-10-31 15:52:11 -07:00
Bengt Rutisson
c444c3eee7 7102044: G1: VM crashes with assert(old_end != new_end) failed: don't call this otherwise 
ArrayOopDesc::max_array_length() should return a value that does not overflow a size_t if it is converted to bytes.

Reviewed-by: kvn, dholmes
 2011-10-31 08:01:20 +01:00
Tom Rodriguez
6bcf877494 7103261: crash with jittester on sparc 
Reviewed-by: iveresov, kvn
 2011-10-28 14:44:52 -07:00
Axel Siebenborn
96500c22d7 7100935: win32: memmove is not atomic but is used for pd_conjoint_*_atomic operations 
Replace the call to memmove by a simple copy loop

Co-authored-by: Volker Simonis <volker.simonis@gmail.com>
Reviewed-by: dholmes, kvn, never
 2011-10-19 10:52:30 -07:00
Vladimir Kozlov
2407655ab1 7100757: The BitSet.nextSetBit() produces incorrect result in 32bit VM on Sparc 
Instruction countTrailingZerosL() should use iRegIsafe dst register since it is used in long arithmetic.

Reviewed-by: never, twisti
 2011-10-14 10:07:28 -07:00
Volker Simonis
e3c38523b2 6865265: JVM crashes with "missing exception handler" error 
Retry the call to fast_exception_handler_bci_for() after it returned with a pending exception. Don't cache the exception handler pc computed by compute_compiled_exc_handler() if the handler is for another (nested) exception.

Reviewed-by: kamg, kvn
 2011-10-04 14:30:04 -07:00
Igor Veresov
7f01a4d4f5 Merge 2011-09-30 13:48:17 -07:00
Kurt Miller
95c56a472b 7089790: integrate bsd-port changes 
Co-authored-by: Greg Lewis <glewis@eyesbeyond.com>
Co-authored-by: Jung-uk Kim <jkim@freebsd.org>
Co-authored-by: Christos Zoulas <christos@zoulas.com>
Co-authored-by: Landon Fuller <landonf@plausible.coop>
Co-authored-by: The FreeBSD Foundation <board@freebsdfoundation.org>
Co-authored-by: Michael Franz <mvfranz@gmail.com>
Co-authored-by: Roger Hoover <rhoover@apple.com>
Co-authored-by: Alexander Strange <astrange@apple.com>
Reviewed-by: kvn, twisti, jrose
 2011-09-25 16:03:29 -07:00
Kevin Walls
f4e1298403 7051189: Need to suppress info message if -xcheck:jni used with libjsig.so 
Reviewed-by: coleenp, minqi
 2011-09-22 16:48:41 +01:00
Igor Veresov
b6ce13798b 7112085: assert(fr.interpreter_frame_expression_stack_size()==0) failed: only handle empty stacks 
Move the inlinee invoke notification callback into inlinee preamble

Reviewed-by: kvn, never
 2011-11-16 19:42:58 -08:00
Vladimir Kozlov
157ba53d27 7110586: C2 generates incorrect results 
Exact limit of empty loop calculated incorrectly.

Reviewed-by: iveresov, never
 2011-11-10 20:17:05 -08:00
Tom Rodriguez
1ebca30d26 7088020: SEGV in JNIHandleBlock::release_block 
Reviewed-by: kvn, twisti
 2011-09-10 00:11:04 -07:00
Vladimir Kozlov
42c3c5cb7b 7087947: Add regression test for 7068051 
Add regression test.

Reviewed-by: never
 2011-09-08 12:44:04 -07:00
Tom Rodriguez
19f7fb98b8 7082949: JSR 292: missing ResourceMark in methodOopDesc::make_invoke_method 
Reviewed-by: kvn, twisti
 2011-08-25 20:29:30 -07:00
Vladimir Kozlov
b4082c3cd1 7076831: TEST_BUG: compiler/5091921/Test7005594.java fails on LOW MEM SYSTEMS 
Run test only on systems with 2Gbyte or more memory. Don't zap heap to reduce execution time.

Reviewed-by: iveresov
 2011-08-20 14:03:12 -07:00
John Coomes
af31d0cf27 Merge 2011-08-19 14:08:18 -07:00
Vladimir Kozlov
2cfb876ce7 Merge 2011-08-19 08:55:53 -07:00
Kevin Walls
e6603b37f2 Merge 2011-08-11 14:58:29 +01:00
Krystal Mok
24e8905fdf 7072527: CMS: JMM GC counters overcount in some cases 
Avoid overcounting when CMS has concurrent mode failure.

Reviewed-by: ysr
 2011-08-02 14:37:35 +01:00
Vladimir Kozlov
dd43791e4a 7070134: Hotspot crashes with sigsegv from PorterStemmer 
Do not move data nodes which are attached to a predicate test to a dominating test.

Reviewed-by: never
 2011-07-26 19:35:23 -07:00
Tom Rodriguez
8acdd5ce55 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods 
Check for single stepping when dispatching invokes from method handles

Reviewed-by: coleenp, twisti, kvn, dsamersoff
 2011-07-15 15:35:50 -07:00
Vladimir Kozlov
cf91e8dbca 7067288: compiler regression test Test7052494 timeouts with client VM 
Test is modified to reduce number of iterations in test5() and test6().

Reviewed-by: never, iveresov
 2011-07-14 15:39:40 -07:00
Vladimir Kozlov
9120c1e85c Merge 2011-07-07 10:51:07 -07:00
Tom Rodriguez
2337123692 6478991: C1 NullCheckEliminator yields incorrect exceptions 
Reviewed-by: twisti, iveresov
 2011-07-05 16:07:54 -07:00
Vladimir Kozlov
b3505a88a4 7044738: Loop unroll optimization causes incorrect result 
Take into account memory dependencies when clonning nodes in clone_up_backedge_goo().

Reviewed-by: never
 2011-06-28 15:24:29 -07:00
Vladimir Kozlov
d19a8f6e35 7052494: Eclipse test fails on JDK 7 b142 
Keep 'ne' test in Counted loop when we can't guarantee during compilation that init < limit.

Reviewed-by: never
 2011-06-20 16:45:35 -07:00
Abhijit Saha
6af175455a 7055247: Ignore test of # 7020373 
Reviewed-by: dcubed
 2011-06-15 14:59:55 -07:00
Yumin Qi
5d0ad03a55 6941923: RFE: Handling large log files produced by long running Java Applications 
Supply optinal flags to realize gc log rotation

Reviewed-by: ysr, jwilhelm
 2011-06-10 15:08:36 -07:00
Vladimir Kozlov
a8556d6c01 6956668: misbehavior of XOR operator (^) with int 
Optimize cmp_ne(xor(X,1),0) to cmp_eq(X,0) only for boolean values X.

Reviewed-by: never
 2011-05-31 10:05:36 -07:00
Vladimir Kozlov
c3a7796068 7047069: Array can dynamically change size when assigned to an object field 
Fix initialization of a newly-allocated array with arraycopy

Reviewed-by: never
 2011-05-27 12:47:48 -07:00
Vladimir Kozlov
a1e18b9ed3 7048332: Cadd_cmpLTMask doesn't handle 64-bit tmp register properly 
Use ins_encode %{ %} form to encode cadd_cmpLTMask() instruction and remove unused code.

Reviewed-by: never
 2011-05-25 21:17:07 -07:00
Vladimir Kozlov
32ead86b1c 7045570: compiler/5091921/Test7005594.java failed because not enough space for object heap 
Fixed tests.

Reviewed-by: iveresov, never
 2011-05-17 12:26:33 -07:00
Igor Veresov
bb2c21a025 7042153: guarantee(x_compare_res != Constant::not_comparable) failed: incomparable constants in IfOp 
Handle IfOps folding properly in case of unloaded constant oop arguments

Reviewed-by: kvn, never
 2011-05-06 12:12:29 -07:00
Vladimir Kozlov
9f0bca3b75 7042070: Typo in Test6796786.java 
The test should compare with -0.0f.

Reviewed-by: never, iveresov
 2011-05-04 22:41:17 -07:00
Vladimir Kozlov
1ac79543d0 5091921: Sign flip issues in loop optimizer 
Fix integer overflow problem in the code generated by loop optimizer.

Reviewed-by: never
 2011-05-04 13:12:42 -07:00
Tom Rodriguez
c3a8cf7156 Merge 2011-05-03 17:09:05 -07:00
Tom Rodriguez
0ecc18851a 6796786: invalid FP identity transform - (a - b) -> b - a 
Reviewed-by: iveresov, twisti
 2011-05-03 12:11:54 -07:00
Vladimir Kozlov
e1442309e1 7041100: The load in String.equals intrinsic executed before null check 
Remove control from loads in String.equals intrinsic and cast argument to not-null.

Reviewed-by: never
 2011-05-03 09:10:39 -07:00
Coleen Phillimore
3c4d3002f2 Merge 2011-04-12 14:18:53 -07:00
Keith McGuigan
222ac81222 7020373: JSR rewriting can overflow memory address size variables 
Abort if incoming classfile's parameters would cause overflows

Reviewed-by: coleenp, dcubed, never
 2011-04-12 16:42:26 -04:00
David Holmes
953a87d003 7009276: Add -XX:+IgnoreUnrecognizedVMOptions to several tests 
Reviewed-by: kvn
 2011-04-04 18:15:55 -04:00
Vladimir Kozlov
3ecb9f51df 7029152: Ideal nodes for String intrinsics miss memory edge optimization 
In Ideal() method of String intrinsics nodes look for TypeAryPtr::CHARS memory slice if memory is MergeMem. Do not unroll a loop with String intrinsics code.

Reviewed-by: never
 2011-03-30 12:08:49 -07:00
Tom Rodriguez
5387ee459e 7024475: loop doesn't terminate when compiled 
Reviewed-by: kvn
 2011-03-27 00:00:14 -07:00
Christian Thalinger
efdad520ca 7029805: JSR 292 compiler/6991596/Test6991596.java fails in nightly 
Both JSR 292 compiler tests were moved with 6839872 to the jdk repository

Reviewed-by: never
 2011-03-23 04:19:16 -07:00
Vladimir Kozlov
d7802369bc Merge 2011-03-03 23:31:45 -08:00
Keith McGuigan
380d90b364 6878713: Verifier heap corruption, relating to backward jsrs 
Added overflow detection in arena Amalloc methods

Reviewed-by: coleenp, phh
 2011-03-02 08:18:35 -05:00
Vladimir Kozlov
a74bc73598 6942326: x86 code in string_indexof() could read beyond reserved heap space 
Copy small (<8) strings on stack if str+16 crosses a page boundary and load from stack into XMM. Back up pointer when loading string's tail.

Reviewed-by: never
 2011-02-26 12:10:54 -08:00
Vladimir Kozlov
5d3ab72d1d 7017746: Regression : C2 compiler crash due to SIGSEGV in PhaseCFG::schedule_early() 
Add TEMP edges (and KILL projections) before duplicated operands are removed in Expand() methods.

Reviewed-by: never
 2011-02-10 14:25:59 -08:00
Christian Thalinger
4c567f5969 7018277: JSR 292 change test/compiler/6987555/Test6987555.java to new MH syntax 
Test/compiler/6987555/Test6987555.java currently does not compile because the MH return-type syntax has changed.

Reviewed-by: never
 2011-02-10 00:47:59 -08:00
Erik Trimble
64115cbb85 Merge 2011-01-07 22:56:35 -08:00
Erik Trimble
3c6a7c89ff 7010068: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - first pass 
Update the copyright to be 2010 on all changed files in OpenJDK

Reviewed-by: jcoomes
 2011-01-03 15:30:05 -08:00
Vladimir Kozlov
4286ac7947 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected 
Bailout StringConcat optimization if null is passed to StringBuffer constructor.

Reviewed-by: iveresov
 2010-12-28 17:34:02 -08:00
Igor Veresov
43280aa63e 7009231: C1: Incorrect CAS code for longs on SPARC 32bit 
Fix CAS of longs on SPARC 32bit and cmove on SPARC 64bit.

Reviewed-by: kvn
 2010-12-27 21:51:31 -08:00
Tom Rodriguez
ecddc15f7c 6579789: Internal error "c1_LinearScan.cpp:1429 Error: assert(false,"")" in debuggee with fastdebug VM 
Reviewed-by: kvn, iveresov
 2010-12-17 15:55:32 -08:00
Christian Thalinger
bd6731ae92 7003798: test/compiler/6991596 fails with true != false 
The test of 6991596 fails on SPARCV9.

Reviewed-by: kvn, never, jrose
 2010-12-03 06:14:37 -08:00
Tom Rodriguez
532dec3797 7002666: eclipse CDT projects crash with compressed oops 
Reviewed-by: kvn, twisti
 2010-12-01 10:16:31 -08:00
Zhengyu Gu
6fd53f05d1 Merge 2010-11-12 09:37:13 -05:00
Igor Veresov
eb71d414e1 Merge 2010-11-11 17:36:50 -08:00
Vladimir Kozlov
ce2df719c6 6997311: SIGFPE in new long division asm code 
Use unsigned DIV instruction

Reviewed-by: never
 2010-11-06 18:52:07 -07:00
Keith McGuigan
d4ca94df32 6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0 
Change property value to 1.<major_version> for major_version >= 7

Reviewed-by: dholmes, acorn
 2010-11-05 09:32:08 -04:00
Lana Steuck
83b80f473c Merge 2010-11-04 15:32:01 -07:00
Pavel Tisnovsky
f37b5faab7 6997495: correction of regression test compiler/6857159/Test6857159 
Testcase correction.

Reviewed-by: never
 2010-11-04 14:03:12 +01:00
Christian Thalinger
14d9ac3169 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC 
Reviewed-by: kvn, jrose, dsamersoff
 2010-10-18 01:54:24 -07:00
Christian Thalinger
98e9ecf9da 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC 
Reviewed-by: never, jrose
 2010-10-13 01:19:43 -07:00
Vladimir Kozlov
68f9001261 Merge 2010-10-06 14:18:32 -07:00
Tom Rodriguez
f591ed981d 6968348: Byteswapped memory access can point to wrong location after JIT 
Reviewed-by: twisti, kvn, iveresov
 2010-10-04 17:09:18 -07:00
Keith McGuigan
9e9551fdd8 Merge 2010-09-22 12:54:51 -04:00
Tom Rodriguez
e65f42fe5e 6982370: SIGBUS in jbyte_fill 
Reviewed-by: kvn
 2010-09-14 14:09:24 -07:00
Karen Kinnear
218b17b913 6942092: Loader-constraint test is failing 
Fix test string compare to match source update

Reviewed-by: dcubed, phh
 2010-09-10 12:36:47 -04:00
Kevin Walls
2114fddad9 6980392: TEST_BUG: gc/6581734/Test6581734.java has typo 
Simple correction in testcase

Reviewed-by: mchung
 2010-08-27 16:57:04 +01:00
Abhijit Saha
a3319eba8a 6977952: Test: Sync missing tests from hs16.3 to hs17.x 
Reviewed-by: wrockett
 2010-08-17 22:52:50 -07:00
John Cuthbertson
becf7cffb3 Merge 2010-08-14 00:47:52 -07:00
Vladimir Kozlov
b092cb33e6 6973329: C2 with Zero based COOP produces code with broken anti-dependency on x86 
Recompile without subsuming loads if RA try to clone a node with anti_dependence.

Reviewed-by: never
 2010-08-11 10:48:20 -07:00
Kevin Walls
5fb46fd5a8 6581734: CMS Old Gen's collection usage is zero after GC which is incorrect 
Management code enabled for use by a concurrent collector.

Reviewed-by: mchung, ysr
 2010-07-30 22:43:50 +01:00
Jon Masamitsu
428d02d5d7 Merge 2010-06-10 08:27:35 -07:00
Tom Rodriguez
154ae789ef 6958485: fix for 6879921 was insufficient 
Reviewed-by: kvn
 2010-06-07 14:17:01 -07:00
Erik Trimble
ba7c173659 6941466: Oracle rebranding changes for Hotspot repositories 
Change all the Sun copyrights to Oracle copyright

Reviewed-by: ohair
 2010-05-27 19:08:38 -07:00
John Coomes
308ec93f02 6956472: test/runtime/6888954/vmerrors.sh uses ksh-specific syntax 
Reviewed-by: jmelvin, kvn
 2010-05-27 13:09:56 -07:00
Daniel D. Daugherty
1f1393802c Merge 2010-05-05 16:39:47 -07:00
Volker Simonis
43a9130faa 6935118: UseCompressedOops modification in methodOopDesc::sort_methods() causes JCK timeout 
Add comparison functions for compressed oops to use bubblesort.

Reviewed-by: never, coleenp
 2010-05-04 15:12:08 -04:00
Antonios Printezis
cc872846f5 Merge 2010-05-03 16:31:07 -04:00
Hiroshi Yamauchi
cd48f31efe 6946040: add intrinsic for short and char reverseBytes 
Reviewed-by: never, twisti
 2010-04-26 11:27:21 -07:00
John Coomes
99196ff9ca 6888954: argument formatting for assert() and friends 
Reviewed-by: kvn, twisti, apetrusenko, never, dcubed
 2010-04-22 13:23:15 -07:00
Abhijit Saha
0610f6846b Merge 2010-04-06 22:06:57 -07:00
Karen Kinnear
7aaaad73cf Merge 2010-03-26 11:10:26 -04:00
Abhijit Saha
845f11dd17 Merge 2010-03-24 17:16:33 -07:00
Tom Rodriguez
dac78c30b9 6930043: C2: SIGSEGV in javasoft.sqe.tests.lang.arr017.arr01702.arr01702.loop_forw(II)I 
Reviewed-by: kvn
 2010-03-17 16:40:25 -07:00
Vladimir Kozlov
72a7a6ffcf 6935535: String.indexOf() returns incorrect result on x86 with SSE4.2 
Added missing counter decrement when substring search restarted.

Reviewed-by: twisti
 2010-03-17 10:47:03 -07:00
Coleen Phillimore
053d7adeb2 6929067: Stack guard pages should be removed when thread is detached 
Add code to unmap stack guard area when thread is detached.

Reviewed-by: coleenp, kamg
 2010-03-12 10:42:16 -05:00
Roland Westrelin
7dcf59914e 6932496: c1: deoptimization of jsr subroutine fails on sparcv9 
Store jsr ret bci as intptr constant in c1 debug info

Reviewed-by: never
 2010-03-05 13:58:34 +01:00
Tom Rodriguez
3e1688a8cd 6663854: assert(n != __null,"Bad immediate dominator info.") in C2 with -Xcomp 
Reviewed-by: kvn
 2010-02-18 15:05:10 -08:00
Vladimir Kozlov
22409a5704 6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop") 
Mark in PcDesc call sites which return oop and save the result oop across objects reallocation during deoptimization.

Reviewed-by: never
 2010-02-09 01:31:13 -08:00
Vladimir Kozlov
3f7a94c3f2 6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used 
Set the reexecute bit for runtime calls _new_array_Java when they used for _multianewarray bytecode.

Reviewed-by: never
 2010-02-08 12:20:09 -08:00
Hiroshi Yamauchi
688398edef 6921969: optimize 64 long multiply for case with high bits zero 
Reviewed-by: never, twisti, kvn, rasbold
 2010-02-03 15:56:37 -08:00
Tom Rodriguez
8cc63249e9 6916644: C2 compiler crash on x86 
Reviewed-by: kvn, twisti
 2010-01-29 22:51:41 -08:00
Tom Rodriguez
07c442542c 6792161: assert("No dead instructions after post-alloc") 
Reviewed-by: kvn
 2010-01-28 20:41:37 -08:00
Vladimir Kozlov
a0cb26b72d 6893701: compiler/6877254/Test.java fails because it combines -XX:+UseConcMarkSweepGC with other GC 
Remove explicit GC flags in regression tests

Reviewed-by: never, ysr
 2010-01-19 15:54:42 -08:00
Vladimir Kozlov
bb4f475e1b 6917931: compiler/6895383/Test.java don't compile due missed imports 
Add missing imports.

Reviewed-by: never, twisti
 2010-01-19 10:25:54 -08:00
Tom Rodriguez
96612c6e23 6909839: missing unsigned compare cases for some cmoves in sparc.ad 
Reviewed-by: kvn, jrose
 2010-01-09 00:59:35 -08:00
Vladimir Kozlov
eca996c10f 6910484: incorrect integer optimization (loosing and op-r in a given example) 
Remove AND operation only if mask is equal to shift.

Reviewed-by: never
 2010-01-08 09:51:24 -08:00
Vladimir Kozlov
8da8433a6f 6912517: JIT bug compiles out (and stops running) code that needs to be run. Causes NPE 
Add missing check that value is used in memory expression in instructions with embedded load.

Reviewed-by: never, jrose
 2010-01-07 16:26:31 -08:00
Vladimir Kozlov
00f583219f 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys 
Move instance store's memory users to corresponding memory slices when updating its memory edge.

Reviewed-by: never
 2009-12-09 19:50:14 -08:00
Vladimir Kozlov
9f5ca0249d 6895383: JCK test throws NPE for method compiled with Escape Analysis 
Add missing checks for MemBar nodes in EA.

Reviewed-by: never
 2009-12-09 16:40:45 -08:00
Vladimir Kozlov
d19aa4e217 6892265: System.arraycopy unable to reference elements beyond Integer.MAX_VALUE bytes 
Use size_t type cast to widen int values in typeArrayKlass::copy_array().

Reviewed-by: never, jcoomes
 2009-12-03 14:20:22 -08:00
Changpeng Fang
8a9580b1a1 6901572: JVM 1.6.16 crash on loops: assert(has_node(i),"") 
Skip the secondary induction variable handling if it is dead

Reviewed-by: never, kvn
 2009-12-02 13:29:00 -08:00
Roland Westrelin
7eea7dcfe4 6769124: various 64-bit fixes for c1 
Reviewed-by: never
 2009-11-02 11:17:55 +01:00
Changpeng Fang
e3b5580ecc 6852078: HSX 14/16 in jdk 5.0: api/javax_management api/org_omg jck tests crashes or make tnameserv crash 
Disable SuperWord optimization for unsafe read/write

Reviewed-by: kvn, phh
 2009-10-30 10:12:52 -07:00
Changpeng Fang
c1eacdef5a Merge 2009-10-29 08:49:31 -07:00
Antonios Printezis
9f337f438a Merge 2009-10-19 17:02:19 -04:00
Tom Rodriguez
8eace255e1 6891750: deopt blob kills values in O5 
Reviewed-by: kvn, twisti
 2009-10-15 11:47:13 -07:00
Tom Rodriguez
9b306d03ee 6885584: A particular class structure causes large allocation spike for jit 
Reviewed-by: kvn
 2009-10-07 15:38:37 -07:00
Volker Simonis
930f3d4570 6880034: SIGBUS during deoptimisation at a safepoint on 64bit-SPARC 
Fix problem with the double register encodings in sparc.ad

Reviewed-by: never, jrose
 2009-10-06 10:15:38 -07:00
Christian Thalinger
e4541dcd08 6879902: CTW failure jdk6_18/hotspot/src/cpu/sparc/vm/assembler_sparc.hpp:845 
For signatures with a large number of arguments the offset for the float store becomes too big and does not fit in 13-bit.

Reviewed-by: kvn, never
 2009-10-06 02:11:49 -07:00
John Coomes
e379759e1b 6887948: test/gc/6845368/bigobj.java fails due to timeout 
Reviewed-by: iveresov
 2009-10-05 05:51:22 -07:00
Changpeng Fang
9640e8148d 6886353: For DeoptimizeALot, JTreg tests should "IgnoreUnrecognizedVMOptions on a product build 
Add IgnoreUnrecognizedVMOptions for JTreg tests (on a product build) to pass with DeoptimizeALot

Reviewed-by: kvn
 2009-09-28 17:14:25 -07:00
John R Rose
40d52710f6 Merge 2009-09-23 23:56:15 -07:00
Vladimir Kozlov
243514d483 6827605: new String intrinsics may prevent EA scalar replacement 
6875866: Intrinsic for String.indexOf() is broken on x86 with SSE4.2

Modify String intrinsic methods to pass char[] pointers instead of string oops.

Reviewed-by: never
 2009-09-14 12:14:20 -07:00
Vladimir Kozlov
5e31e14ea4 Merge 2009-09-14 11:45:03 -07:00
Changpeng Fang
c492f4cde5 6877254: Server vm crashes with no branches off of store slice" when run with CMS and UseSuperWord(default) 
Design StoreCMNode::Ideal to promote its oopStore input if the input is a MergeMem node

Reviewed-by: kvn, never
 2009-09-14 09:49:54 -07:00
Vladimir Kozlov
75e90c9027 6880533: test/compiler/6865031/Test.java miss -XX:+IgnoreUnrecognizedVMOptions 
Add missing test option -XX:+IgnoreUnrecognizedVMOptions.

Reviewed-by: never
 2009-09-09 16:28:03 -07:00
Andrey Petrusenko
9ae6fb796e Merge 2009-09-04 05:31:37 -07:00
Tom Rodriguez
57a92290f4 6855215: Calculation error (NaN) after about 1500 calculations 
Reviewed-by: kvn
 2009-08-31 17:07:53 -07:00
Changpeng Fang
457be8ad49 6876276: assert(!is_visited,"visit only once") 
Schedule the superword loads based on dependence constraints

Reviewed-by: kvn, never
 2009-08-31 08:31:45 -07:00
Tom Rodriguez
cc01c0f4f6 6795465: Crash in assembler_sparc.cpp with client compiler on solaris-sparc 
Reviewed-by: twisti, cfang
 2009-08-17 14:45:02 -07:00
Changpeng Fang
05c34e93bd 6866651: Regression: simple int sum crashes jvm (build 1.6.0_14-b08 and 1.7.0-ea-b59) 
Delay dead code elimination in set_req_X to make it safe

Reviewed-by: kvn, never
 2009-08-17 12:11:06 -07:00
Vladimir Kozlov
ab7a29cdcc Merge 2009-08-06 09:37:26 -07:00
Vladimir Kozlov
adcbcc3cdc 6868486: timouts and outOfMemory in regression tests 
Increase timeout for tests and heap size for 6851282 test.

Reviewed-by: never, cfang
 2009-08-04 17:11:17 -07:00
Changpeng Fang
ae00753bf7 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot 
Developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens

Reviewed-by: kvn, never, jrose, twisti
 2009-07-31 17:12:33 -07:00
Vladimir Kozlov
f2ea22a547 6865031: Application gives bad result (throws bad exception) with compressed oops 
Produce narrow type for new Phi from the original Phi type.

Reviewed-by: cfang
 2009-07-31 12:04:07 -07:00
John Coomes
e7c70c499b 6845368: large objects cause a crash or unexpected exception 
Reviewed-by: jmasa, iveresov
 2009-08-13 16:22:45 -07:00
Erik Trimble
e846382e12 Merge 2009-07-29 16:00:35 -07:00
Xiomara Jayasena
a63ef10004 6862919: Update copyright year 
Update copyright for files that have been modified in 2009, up to 07/09

Reviewed-by: tbell, ohair
 2009-07-28 12:12:40 -07:00
Christian Thalinger
6dd47535cd 6863155: Server compiler generates incorrect code (x86, long, bitshift, bitmask) 
Code compiled with server compiler generates an incorrect result.

Reviewed-by: cfang, never, kvn
 2009-07-28 09:02:30 +02:00
Vladimir Kozlov
2641db378b 6863420: os::javaTimeNanos() go backward on Solaris x86 
Use new atomic long load method Atomic::load() to load max_hrtime.

Reviewed-by: never, ysr, johnc, phh, dcubed, acorn
 2009-07-26 16:40:14 -07:00
Vladimir Kozlov
b0f75657c5 6826736: CMS: core dump with -XX:+UseCompressedOops 
Fix deoptimization code and OopMapSet::all_do() to check for oop = narrow_oop_base.

Reviewed-by: jcoomes, phh, ysr, never
 2009-07-22 15:48:51 -07:00
Tom Rodriguez
62ca1df1dd 6857159: local schedule failed with checkcast of Thread.currentThread() 
Reviewed-by: kvn
 2009-07-21 16:42:58 -07:00
Vladimir Kozlov
7229ae9b95 Merge 2009-07-17 00:50:55 -07:00
Tom Rodriguez
1c4a7e95bb 6861513: correct copyright attribution in test for 6837094 and 6860469 
Reviewed-by: rasbold
 2009-07-16 17:59:27 -07:00
Vladimir Kozlov
2e2f60507e 6851282: JIT miscompilation results in null entry in array when using CompressedOops 
Get type for new Phi from non dead path.

Reviewed-by: never
 2009-07-16 16:29:55 -07:00
Hiroshi Yamauchi
a24ea182cc 6860469: remix_address_expressions sets incorrect control causing crash in split_if_with_block_post 
Co-authored-by: Chuck Rasbold <rasbold@google.com>
Reviewed-by: never, kvn
 2009-07-15 13:37:35 -07:00
Tom Rodriguez
df1c3da3f8 Merge 2009-07-13 15:00:22 -07:00
Tom Rodriguez
5a409d142f 6859338: amd64 native unverified entry point pushes values before implicit null check 
Reviewed-by: kvn, twisti
 2009-07-13 14:58:17 -07:00
Changpeng Fang
92d332e08b 6857707: Add missing test case for CR 6855164 from its bug description 
Add missing test case for CR 6855164 from its bug description.

Reviewed-by: never
 2009-07-06 12:54:17 -07:00
Christian Thalinger
a9ad90fa87 5057225: Remove useless I2L conversions 
The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free.

Reviewed-by: kvn
 2009-06-26 07:26:10 -07:00
Chuck Rasbold
2c5f52b511 6837094: False positive for "meet not symmetric" failure 
Have the meet not symmetric check recursively do the interface-vs-oop check on array subtypes.

Reviewed-by: jrose
 2009-06-23 17:52:29 -07:00
Tom Rodriguez
0f4f530213 6849574: VM crash using NonBlockingHashMap (high_scale_lib) 
Reviewed-by: kvn
 2009-06-10 12:19:48 -07:00
Vladimir Kozlov
802f3552f9 6843752: missing code for an anti-dependent Phi in GCM 
Don't place a load below anti-dependent PHI.

Reviewed-by: never, twisti
 2009-05-27 12:35:51 -07:00
Vladimir Kozlov
fdb3ca8708 6772683: Thread.isInterrupted() fails to return true on multiprocessor PC 
Set the control edge for the field _interrupted load in inline_native_isInterrupted().

Reviewed-by: never
 2009-05-21 10:05:36 -07:00
Christian Thalinger
8a262ce04b 6814842: Load shortening optimizations 
6797305 handles load widening but no shortening which should be covered here.

Reviewed-by: never, kvn
 2009-05-13 00:45:22 -07:00
Vladimir Kozlov
6202395cb2 6832293: JIT compiler got wrong result in type checking with -server 
Check for an object array of interface in CmpPNode::sub().

Reviewed-by: never
 2009-05-11 17:59:54 -07:00
Kelly O'Hair
4ac53f2566 6839151: Add a JPRT default test of -Xshare:dump when new hotspot is built 
Reviewed-by: never, kvn
 2009-05-08 15:16:38 -07:00
Christian Thalinger
a7d12b2fbf Merge 2009-05-07 04:16:53 -07:00
Christian Thalinger
1576a9be9e Merge 2009-05-07 00:28:13 -07:00
Christian Thalinger
96139033e6 6837011: SIGSEGV in PhaseIdealLoop in 32bit jvm 
The CR's test crashes with SIGSEGV when running with "-server -Xcomp" using using 32bit jvm.

Reviewed-by: kvn, never, rasbold
 2009-05-06 12:04:42 -07:00
Christian Thalinger
e53f13b49f 6837906: compiler tests of 6636138 fail with IllegalAccessException 
The compiler tests of 6636138 fail with an IllegalAccessException.

Reviewed-by: kvn
 2009-05-06 08:57:24 -07:00
Christian Thalinger
6a270f9f19 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() 
These methods can be instrinsified by using bit scan, bit test, and population count instructions.

Reviewed-by: kvn, never
 2009-05-06 00:27:52 -07:00
Changpeng Fang
003ca0f848 6833951: Extra ":" Causes Testcase in CR 6589834 "Parse Exception: Invalid tag: summary:" 
Remove the colon

Reviewed-by: never
 2009-04-24 09:14:39 -07:00
Changpeng Fang
04fdef79fa 6589834: deoptimization problem with -XX:+DeoptimizeALot 
Relocate the stack pointer adjustment to where uncommon_trap is actually inserted for new_array.

Reviewed-by: kvn, jrose
 2009-04-23 14:04:24 -07:00
Tom Rodriguez
62717f091a Merge 2009-04-14 12:25:54 -07:00
Changpeng Fang
08466ce0ca 6829021: tests for 6636138 use UseSuperword instead of UseSuperWord 
Remove the wrong flag -XX:+UseSuperword to fix the Nightly failure

Reviewed-by: kvn, never
 2009-04-10 15:01:14 -07:00
Vladimir Kozlov
ca3a3504be 6711117: Assertion in 64bit server vm (flat != TypePtr::BOTTOM,"cannot alias-analyze an untyped ptr") 
Delay a memory node transformation if its control or address on IGVN worklist.

Reviewed-by: never
 2009-04-07 19:04:24 -07:00
Tom Rodriguez
72afcb0285 6539464: Math.log() produces inconsistent results between successive runs 
Reviewed-by: kvn
 2009-04-06 11:53:17 -07:00
Vladimir Kozlov
090346b4e8 6823453: DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph") 
Use a HaltNode on the fall through path of the AllocateArrayNode to indicate that it is unreachable if the array length is negative.

Reviewed-by: never, jrose
 2009-04-03 13:33:32 -07:00
Karen Kinnear
d4f2196cd0 Merge 2009-04-02 18:17:03 -04:00
Paul Hohensee
4be7c3c672 6819213: revive sun.boot.library.path 
Support multiplex and mutable sun.boot.library.path

Reviewed-by: acorn, dcubed, xlu
 2009-04-01 16:38:01 -04:00
Changpeng Fang
fface2e4ca 6636138: UseSuperWord enabled failure 
Fixed SuperWord scheduling of memory operations.

Reviewed-by: kvn, never
 2009-03-24 12:19:47 -07:00
Vladimir Kozlov
41463d1d3a Merge 2009-03-19 09:13:24 -07:00
Christian Thalinger
de67e52949 6378821: bitCount() should use POPC on SPARC processors and AMD+10h 
BitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.

Reviewed-by: kvn, never
 2009-03-13 11:35:17 -07:00
Erik Trimble
8d6035660e Merge 2009-03-12 18:16:36 -07:00
Xiomara Jayasena
2be2e027b0 6814575: Update copyright year 
Update copyright for files that have been modified in 2009, up to 03/09

Reviewed-by: katleman, tbell, ohair
 2009-03-09 13:28:46 -07:00
Christian Thalinger
89cea91c48 6797305: Add LoadUB and LoadUI opcode class 
Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher.

Reviewed-by: never, kvn
 2009-03-09 03:17:11 -07:00
Christian Thalinger
dd25f39709 6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant 
C2, ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.

Reviewed-by: rasbold
 2009-02-16 07:19:26 -08:00
Christian Thalinger
a2ed00b650 6800154: Add comments to long_by_long_mulhi() for better understandability 
This patch adds a comment pointing to the Hacker's Delight version of the algorithm plus a verbatim copy of it.  Furthermore it adds inline comments.

Reviewed-by: kvn, jrose
 2009-02-13 09:09:35 -08:00
Vladimir Kozlov
94a461f4cb 6799693: Server compiler leads to data corruption when expression throws an Exception 
Use merged memory state for an allocation's slow path.

Reviewed-by: never
 2009-02-05 14:43:58 -08:00
Vladimir Kozlov
72b75d1adf 6788376: allow to ignore unrecognized VM options 
Add new product flag -XX:+IgnoreUnrecognizedVMOptions

Reviewed-by: ysr, xlu
 2009-02-05 13:38:52 -08:00
Christian Thalinger
17d35f31a2 6799452: HotSpot tests Makefile should take care of ALT_SLASH_JAVA 
The HotSpot tests Makefile has a hardcoded SLASH_JAVA which makes it difficult to run the tests on non-Sun build machines which do not have a /java infrastructure.

Reviewed-by: kamg
 2009-02-03 08:10:28 -08:00
Christian Thalinger
ecbdf3bb83 6795362: 32bit server compiler leads to wrong results on solaris-x86 
The C2 compiler leads to wrong results on solaris-i486 (32-bit) for a testcase given in the CR.

Reviewed-by: never, rasbold
 2009-02-03 01:39:12 -08:00
Gary Benson
347b8afe5b 6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour 
Replaces SharedRuntime::f2i et al with versions that should work

Reviewed-by: never
 2008-12-22 15:43:02 -08:00
Tom Rodriguez
baa4663714 6758234: if (k cond (a ? : b: c)) returns reversed answer if k is constant and b and c are longs 
Reviewed-by: kvn, jrose
 2008-12-12 19:55:26 -08:00
Tom Rodriguez
40a81c63b8 6757316: load_constant() produces a wrong long constant, with high a low words swapped 
Reviewed-by: rasbold, jrose, kvn
 2008-12-12 19:54:46 -08:00
Vladimir Kozlov
f2f18a01e5 6775880: EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now") 
Create new "eliminated" BoxLock node for monitor debug info when corresponding locks are eliminated.

Reviewed-by: never
 2008-12-03 13:41:37 -08:00
Tom Rodriguez
2bba3afabc 6756768: C1 generates invalid code 
Reviewed-by: kvn, jrose
 2008-11-25 13:14:07 -08:00
Tom Rodriguez
7633aaa177 Merge 2008-10-06 13:11:32 -07:00
Tom Rodriguez
043fde10e5 6743188: incomplete fix for 6700047 C2 failed in idom_no_update 
Reviewed-by: rasbold, kvn
 2008-10-03 13:58:20 -07:00
Erik Trimble
b089627fe8 6755406: minor mistakes in copyright notices 
Mismatch in some header copyrights from standard templates

Reviewed-by: jcoomes
 2008-10-02 14:11:33 -07:00
Chuck Rasbold
eee15b163e 6711100: 64bit fastdebug server vm crashes with assert(_base == Int,"Not an Int") 
Insert CastII nodes to narrow type of load_array_length() node

Reviewed-by: never, kvn
 2008-09-17 08:29:17 -07:00
Kelly O'Hair
68141df565 6745363: Add ability to run packtest to hotspot/test/makefile 
Reviewed-by: ksrini
 2008-09-11 11:04:55 -07:00
Vladimir Kozlov
3c4879eb9a 6741738: TypePtr::add_offset() set incorrect offset when the add overflows 
Set offset to OffsetBot when the add overflows in TypePtr::add_offset()

Reviewed-by: jrose, never
 2008-08-27 14:47:32 -07:00
Vladimir Kozlov
50c4a23cac 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") 
Escape Analysis fixes.

Reviewed-by: never, rasbold
 2008-07-28 17:12:52 -07:00
Tom Rodriguez
20de63f383 6700047: C2 failed in idom_no_update 
Partial peeling shouldn't place clones into loop

Reviewed-by: kvn
 2008-07-25 15:54:23 -07:00
Tom Rodriguez
7b4a7f7bdc 6712835: Server compiler fails with assertion (loop_count < K,"infinite loop in PhaseIterGVN::transform") 
Reviewed-by: kvn
 2008-07-25 11:32:56 -07:00
Vladimir Kozlov
fae39068e8 6723160: Nightly failure: Error: meet not symmetric 
Add missing _instance_id settings and other EA fixes.

Reviewed-by: rasbold
 2008-07-16 16:04:39 -07:00
Erik Trimble
2d6f42d18c Merge 2008-07-11 01:14:44 -07:00
Xiomara Jayasena
c96a95c4b8 6719955: Update copyright year 
Update copyright year for files that have been modified in 2008

Reviewed-by: ohair, tbell
 2008-07-02 12:55:16 -07:00
Vladimir Kozlov
4213e62fb7 6716441: error in meet with +DoEscapeAnalysis 
Set instance_id to InstanceBot for InstPtr->meet(AryPtr) when types are not related.

Reviewed-by: jrose, never
 2008-06-26 13:34:00 -07:00
Vladimir Kozlov
694776b297 6714694: assertion in 64bit server vm (store->find_edge(load) != -1,"missing precedence edge") with COOPs 
The method raise_LCA_above_marks() terminates LCA search early.

Reviewed-by: rasbold, never
 2008-06-20 10:17:09 -07:00
Keith McGuigan
d58beaefde Merge 2008-06-06 13:43:36 -04:00
Keith McGuigan
319d956145 6706604: Copyright headers need to be changed to GPL 
Update the copyrights

Reviewed-by: ohair
 2008-05-29 14:06:30 -04:00
Vladimir Kozlov
757229db71 6695810: null oop passed to encode_heap_oop_not_null 
Fix several problems in C2 related to Escape Analysis and Compressed Oops.

Reviewed-by: never, jrose
 2008-05-21 10:45:07 -07:00
Chuck Rasbold
088cd1203f 6646019: array subscript expressions become top() with -d64 
Stop compilation after negative array allocation

Reviewed-by: never, jrose
 2008-04-24 14:02:13 -07:00
Tom Rodriguez
6f63c6e88b 6663848: assert(i < Max(),"oob") in C2 with -Xcomp 
NeverBranchNodes aren't handled properly

Reviewed-by: kvn, sgoldman, rasbold, jrose
 2008-04-24 11:13:03 -07:00
Tom Rodriguez
3093e354db 6646020: assert(in_bb(n),"must be in block") in -Xcomp mode 
Reviewed-by: kvn, rasbold
 2008-04-03 21:26:03 -07:00
Tom Rodriguez
a2b4f55757 6663621: JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests 
Alignment expression with secondary induction variables is sometimes wrong

Reviewed-by: kvn, rasbold
 2008-03-20 10:43:42 -07:00
Tom Rodriguez
d200260fe5 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations 
Copy elimination of a constant value results in incorrect execution

Reviewed-by: kvn, sgoldman, rasbold
 2008-03-19 15:14:36 -07:00
Tom Rodriguez
49434b6bad 6659207: access violation in CompilerThread0 
Split_thru_phi produces top on a non-dead path

Reviewed-by: kvn, rasbold, sgoldman
 2008-03-18 23:54:17 -07:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00